data "template_file" "vm" {
  template = "${file("${path.module}/templates/vm")}"
  vars = {
    prefix = "${var.prefix}"
  }
}
resource "libvirt_cloudinit_disk" "vm" {
  provider = "libvirt.local"
  name = "${var.prefix}-vm.iso"
  pool = "${var.pool}"
  user_data = "${data.template_file.vm.rendered}"
}
resource "null_resource" "vm" {
  triggers {
    data = "${data.template_file.vm.rendered}"
  }
  provisioner "local-exec" {
    command = "[ -f debian-9.8.1-20190220-openstack-amd64.qcow2 ] || wget http://cdimage.debian.org/cdimage/openstack/current/debian-9.8.1-20190220-openstack-amd64.qcow2 ${path.root}/debian-9.8.1-20190220-openstack-amd64.qcow2"
  }
  provisioner "local-exec" {
    command = "cp ${path.root}/debian-9.8.1-20190220-openstack-amd64.qcow2 /opt/${var.prefix}-vm.qcow2"
  }
  provisioner "local-exec" {
    command = "qemu-img resize /opt/${var.prefix}-vm.qcow2 10G"
  }
  provisioner "local-exec" {
    command = "chown libvirt-qemu:libvirt-qemu /opt/${var.prefix}-vm.qcow2"
  }
}

resource "libvirt_volume" "debian-qcow2-vm" {
  provider = "libvirt.local"
  count = "${var.vm_count}"
  name   = "${var.prefix}-vm-${count.index}"
  pool   = "${var.pool}"
  source = "/opt/vm.qcow2"
  format = "qcow2"
  depends_on = [
    "null_resource.vm"
  ]
}
resource "libvirt_domain" "vm" {
  provider = "libvirt.local"
  count = "${var.vm_count}"
  name   = "${var.prefix}-vm-${count.index}"
  memory = "${var.vm_ram}"
  vcpu   = "1"

  cloudinit = "${libvirt_cloudinit_disk.vm.id}"

  disk {
    volume_id = "${libvirt_volume.debian-qcow2-vm.id}"
  }
  network_interface {
    network_name = "default"
    wait_for_lease = true
  }
  console {
    type = "pty"
    target_port = "0"
    target_type = "serial"
  }
  console {
    type = "pty"
    target_type = "virtio"
    target_port = "1"
  }
  graphics {
    type = "vnc"
    listen_type = "address"
    autoport = true
  }
}
output "vm_ip" { value = "${element(libvirt_domain.vm.*.network_interface.0.addresses[0], 0)}" }